AN
ESSAY
TO SHEW THE
CAUSE
OF
ELECTRICITY;
AND
Why Some Things are Non-Electricable.
In which is also Consider’d
Its Influence in the Blasts on Human Bodies, in the Blights on Trees, in the Damps in Mines; and as it may affect the Sensitive Plant, &c.
In a Letter
To Mr. William Watson, F.R.S.
By John Freke, Surgeon to St. Bartholomew’s
Hospital, London, F.R.S.
Naturam expellas furcâ, tamen usque recurret.
The Second Edition: With an APPENDIX.
LONDON:
Printed for W. Innys, in Pater-noster Row.
MDCCXLVI.
[Price One Shilling.]
TO
MARTIN FOLKES, Esq;
PRESIDENT
OF THE
ROYAL SOCIETY.
SIR,
Those who have the Honour of your Acquaintance, and thence know your many excellent Qualifications, must applaud my Choice in dedicating this small Piece to you; whose Name, if there be any Merit in the Performance, will, before any other, add a Lustre to it. I am, with the highest Esteem,
Your most Obliged,
Humble Servant,
John Freke.